ld/emultempl/ticoff.em

   1 # This shell script emits a C file. -*- C -*-
   2 # It does some substitutions.
   3 (echo;echo;echo;echo)>e${EMULATION_NAME}.c # there, now line numbers match ;-)
   4 cat >>e${EMULATION_NAME}.c <<EOF
   5 /* This file is part of GLD, the Gnu Linker.
   6    Copyright 1999, 2000, 2002, 2003, 2004, 2007
   7    Free Software Foundation, Inc.
   8
   9 This program is free software; you can redistribute it and/or modify
  10 it under the terms of the GNU General Public License as published by
  11 the Free Software Foundation; either version 2 of the License, or
  12 (at your option) any later version.
  13
  14 This program is distributed in the hope that it will be useful,
  15 but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 GNU General Public License for more details.
  18
  19 You should have received a copy of the GNU General Public License
  20 along with this program; if not, write to the Free Software
  21 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
  22
  23 /* For TI COFF */
  24 /* Need to determine load and run pages for output sections */
  25
  26 #define TARGET_IS_${EMULATION_NAME}
  27
  28 #include "sysdep.h"
  29 #include "bfd.h"
  30 #include "bfdlink.h"
  31 #include "getopt.h"
  32
  33 #include "ld.h"
  34 #include "ldmain.h"
  35 #include "ldmisc.h"
  36 #include "ldexp.h"
  37 #include "ldlang.h"
  38 #include "ldfile.h"
  39 #include "ldemul.h"
  40
  41 static int coff_version;
  42
  43 /* TI COFF extra command line options */
  44 #define OPTION_COFF_FORMAT              (300 + 1)
  45
  46 static void
  47 gld${EMULATION_NAME}_add_options
  48   (int ns ATTRIBUTE_UNUSED, char **shortopts ATTRIBUTE_UNUSED, int nl,
  49    struct option **longopts, int nrl ATTRIBUTE_UNUSED,
  50    struct option **really_longopts ATTRIBUTE_UNUSED)
  51 {
  52   static const struct option xtra_long[] = {
  53     /* TI COFF options */
  54     {"format", required_argument, NULL, OPTION_COFF_FORMAT },
  55     {NULL, no_argument, NULL, 0}
  56   };
  57
  58   *longopts = (struct option *)
  59     xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
  60   memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
  61 }
  62
  63 static void
  64 gld_${EMULATION_NAME}_list_options (FILE * file)
  65 {
  66   fprintf (file, _("  --format 0|1|2         Specify which COFF version to use\n"));
  67 }
  68
  69 static bfd_boolean
  70 gld${EMULATION_NAME}_handle_option (int optc)
  71 {
  72   switch (optc)
  73     {
  74     default:
  75       return FALSE;
  76
  77     case OPTION_COFF_FORMAT:
  78       if ((*optarg == '0' || *optarg == '1' || *optarg == '2')
  79           && optarg[1] == '\0')
  80       {
  81         static char buf[] = "coffX-${OUTPUT_FORMAT_TEMPLATE}";
  82         coff_version = *optarg - '0';
  83         buf[4] = *optarg;
  84         lang_add_output_format (buf, NULL, NULL, 0);
  85       }
  86       else
  87         {
  88           einfo (_("%P%F: invalid COFF format version %s\n"), optarg);
  89         }
  90       break;
  91     }
  92   return FALSE;
  93 }
  94
  95 static void
  96 gld_${EMULATION_NAME}_before_parse(void)
  97 {
  98 #ifndef TARGET_                 /* I.e., if not generic.  */
  99   ldfile_set_output_arch ("`echo ${ARCH}`", bfd_arch_unknown);
 100 #endif /* not TARGET_ */
 101 }
 102
 103 static char *
 104 gld_${EMULATION_NAME}_get_script (int *isfile)
 105 EOF
 106 if test -n "$COMPILE_IN"
 107 then
 108 # Scripts compiled in.
 109
 110 # sed commands to quote an ld script as a C string.
 111 sc='s/["\\]/\\&/g
 112 s/$/\\n\\/
 113 1s/^/"/
 114 $s/$/n"/
 115 '
 116 cat >>e${EMULATION_NAME}.c <<EOF
 117 {
 118   *isfile = 0;
 119   if (link_info.relocatable && config.build_constructors)
 120     return `sed "$sc" ldscripts/${EMULATION_NAME}.xu`;
 121   else if (link_info.relocatable)
 122     return `sed "$sc" ldscripts/${EMULATION_NAME}.xr`;
 123   else if (!config.text_read_only)
 124     return `sed "$sc" ldscripts/${EMULATION_NAME}.xbn`;
 125   else if (!config.magic_demand_paged)
 126     return `sed "$sc" ldscripts/${EMULATION_NAME}.xn`;
 127   else
 128     return `sed "$sc" ldscripts/${EMULATION_NAME}.x`;
 129 }
 130 EOF
 131
 132 else
 133 # Scripts read from the filesystem.
 134
 135 cat >>e${EMULATION_NAME}.c <<EOF
 136 {
 137   *isfile = 1;
 138
 139   if (link_info.relocatable && config.build_constructors)
 140     return "ldscripts/${EMULATION_NAME}.xu";
 141   else if (link_info.relocatable)
 142     return "ldscripts/${EMULATION_NAME}.xr";
 143   else if (!config.text_read_only)
 144     return "ldscripts/${EMULATION_NAME}.xbn";
 145   else if (!config.magic_demand_paged)
 146     return "ldscripts/${EMULATION_NAME}.xn";
 147   else
 148     return "ldscripts/${EMULATION_NAME}.x";
 149 }
 150 EOF
 151
 152 fi
 153
 154 cat >>e${EMULATION_NAME}.c <<EOF
 155 struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
 156 {
 157   gld_${EMULATION_NAME}_before_parse,
 158   syslib_default,
 159   hll_default,
 160   after_parse_default,
 161   after_open_default,
 162   after_allocation_default,
 163   set_output_arch_default,
 164   ldemul_default_target,
 165   before_allocation_default,
 166   gld_${EMULATION_NAME}_get_script,
 167   "${EMULATION_NAME}",
 168   "${OUTPUT_FORMAT}",
 169   finish_default,
 170   NULL, /* create output section statements */
 171   NULL, /* open dynamic archive */
 172   NULL, /* place orphan */
 173   NULL, /* set_symbols */
 174   NULL, /* parse_args */
 175   gld${EMULATION_NAME}_add_options,
 176   gld${EMULATION_NAME}_handle_option,
 177   NULL, /* unrecognized_file */
 178   gld_${EMULATION_NAME}_list_options,
 179   NULL, /* recognized file */
 180   NULL, /* find_potential_libraries */
 181   NULL  /* new_vers_pattern */
 182 };
 183 EOF